2019248565

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 3381460992

約数和(自身を除く): 1362212427

約数列:

[1, 3, 5, 15, 41, 103, 123, 127, 205, 251, 309, 381, 515, 615, 635, 753, 1255, 1545, 1905, 3765, 4223, 5207, 10291, 12669, 13081, 15621, 21115, 25853, 26035, 30873, 31877, 39243, 51455, 63345, 65405, 77559, 78105, 95631, 129265, 154365, 159385, 196215, 387795, 478155, 536321, 1059973, 1306957, 1608963, 2681605, 3179919, 3283331, 3920871, 5299865, 6534785, 8044815, 9849993, 15899595, 16416655, 19604355, 49249965, 134616571, 403849713, 673082855, 2019248565]

約数ペア:

[(1, 2019248565), (3, 673082855), (5, 403849713), (15, 134616571), (41, 49249965), (103, 19604355), (123, 16416655), (127, 15899595), (205, 9849993), (251, 8044815), (309, 6534785), (381, 5299865), (515, 3920871), (615, 3283331), (635, 3179919), (753, 2681605), (1255, 1608963), (1545, 1306957), (1905, 1059973), (3765, 536321), (4223, 478155), (5207, 387795), (10291, 196215), (12669, 159385), (13081, 154365), (15621, 129265), (21115, 95631), (25853, 78105), (26035, 77559), (30873, 65405), (31877, 63345), (39243, 51455)]